package dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;

public interface Dao {
    public Connection conn();
    public PreparedStatement pstmt(String sql,Object [] objs);
    public int executeUpdate(String sql,Object [] objs);
    public void cloesAll(Connection conn, Statement stmt, ResultSet rs);
}
